package com.code.day10;

public class KeyBoard implements  USB{
    @Override
    public void open() {
        System.out.println("键盘打开");
    }

    @Override
    public void close() {
        System.out.println("键盘关闭");
    }

    //特有方法
    public void type(){
        System.out.println("键盘输入");
    }
}
